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About

Summary: Ascension Illinois is a nonprofit health system based in Chicago that provides primary and advanced specialty care, including cardiology, with a focus on care close to home. The organization operates in the Hospitals and Health Care industry and employs about 41 people. It offers primary care services and a range of specialty care, and is connected to Ascension’s broader network of clinics and hospitals in Illinois. If you’re seeking primary care doctors in Belvidere, IL, Ascension Illinois represents the Ascension-affiliated network in the region that may include primary care providers within its Illinois footprint. For Belvidere-specific options, you may want to visit their Illinois website or contact Ascension Belvidere facilities directly to locate primary care physicians near you.

Clinic Type

Family Medicine

Address

Chicago, IL, US

Phone

(847) 506-1478

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Team

  • Fred J Halloran — MD
  • Fred J Hallovan — MD
  • Tjaden — MD

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Ascension Medical Group (Dr. Shaheen F Misbah): 4.9 (259)
  • Ascension Medical Group (Dr. John H Wilkerson): 4.9 (842)
  • Ascension Medical Group (Dr. Michael F Brunner): 4.8 (497)
  • Ascension Medical Group (Dr. Jay J Virchow): 5.0 (1253)

Patients praise

  • Many Ascension Medical Group primary care providers listed for the Belvidere area hold high patient satisfaction ratings, typically ranging from 4.5 to 5.0 stars based on hundreds of reviews.

Common complaints

  • While the search results display aggregated star ratings for individual doctors, they do not provide specific text-based patient complaints or detailed qualitative feedback regarding the care received.

"Ascension Medical Group Illinois providers maintain high star ratings based on verified patient feedback."

Ascension Health Provider Directories

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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OSF HealthCare is a nonprofit, integrated health system founded in 1877 and headquartered in Peoria, Illinois. The OSF Medical Group includes primary care services; OSF operates 171 locations across Illinois and Michigan with a network of clinics and specialties, including primary care and oncology, under the OSF umbrella (OSF HealthCare Foundation, OSF Ventures, etc.). For Belvidere-specific care (OSF Medical Group – Primary Care in Belvidere), you’d find a local primary care clinic within the OSF Medical Group network serving the Belvidere area, part of OSF HealthCare’s Illinois-based services. If you’re seeking details (address, hours, providers) for the Belvidere primary care site, please confirm and I can extract the latest from OSF’s site or contact options.

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